TY - BOOK AU - Sheahan,Richard T. TI - Alternative energy sources: a strategy planning guide SN - 0894433741 U1 - 621.042 19 PY - 1981/// CY - Rockville, Md. PB - Aspen Systems Corp. KW - Renewable energy sources KW - Handbooks, manuals, etc KW - Power (Mechanics) N1 - Includes index ER -